15 octubre 2015
It’s tempting to believe that people these days aren’t getting enough sleep, living as we do in our well-lit houses with TVs blaring, cell phones buzzing, and a well-used coffee maker in every kitchen. But new evidence shows that three ancient groups of hunter-gatherers — living in different parts of the world without any of those trappings of modern life — don’t get any more sleep than we do.
http://www.sciencedaily.com/releases/2015/10/151015131832.htm
